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fzus63 kmqt 152102
glfls 
225 

open lake forecast for lake superior
national weather service marquette mi
402 pm est fri jan 15 2021

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...a 29.6 inch low lifts across lower michigan tonight 
and deepens to 29.2 inches across new england on saturday. a 29.8
inch trough lingers across lake superior through sunday morning. 
29.9 inch troughing persists over the region through monday night
until a 30.1 inch ridge moves over lake superior on tuesday. a
broad 29.2 inch low sinks southeast across manitoba on wednesday
morning and over lake superior on wednesday night. 


lsz162-160515-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
402 pm est fri jan 15 2021 /302 pm cst fri jan 15 2021/

.late this afternoon...northeast winds 20 to 30 knots. a slight
chance of rain and snow. waves 4 to 7 feet occasionally to
9 feet. 
.tonight...north winds 15 to 25 knots. a chance of snow and rain.
waves subsiding to 3 to 5 feet occasionally to 7 feet. 
.saturday...north winds 15 to 25 knots diminishing to 10 to
20 knots. a slight chance of rain in the morning. a slight chance
of snow. waves subsiding to 2 to 4 feet. 
.saturday night...north winds 10 to 20 knots. a slight chance of
snow showers. waves subsiding to 1 to 3 feet. 
.sunday...north winds 10 to 20 knots diminishing to 5 to 15 knots
in the afternoon. a slight chance of snow showers in the morning.
waves subsiding to calm to 2 feet. 
.sunday night...north winds 5 to 15 knots backing northwest after
midnight. waves calm to 2 feet. 
.monday...northwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. waves calm to 2 feet. 
.monday night...north winds 10 to 20 knots. a chance of snow
showers. waves calm to 2 feet. 
.tuesday...northwest winds 10 to 20 knots backing west. a chance
of snow showers. waves building to 1 to 3 feet, then subsiding to
calm to 2 feet. 
.wednesday...southwest winds 15 to 25 knots veering west. waves
building to 3 to 5 feet occasionally to 7 feet. 

$$
fzus63 kmqt 152102
glfls 

lsz263-160515-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
402 pm est fri jan 15 2021

.late this afternoon...northeast winds 20 to 30 knots. a chance
of rain. waves 4 to 7 feet occasionally to 9 feet. 
.tonight...northeast winds 20 to 30 knots backing north by
midnight. a chance of rain, possibly mixed with snow. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 
.saturday...north winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. a chance of snow, possibly mixed with
rain. waves building to 4 to 7 feet occasionally to 9 feet, then
subsiding to 3 to 6 feet occasionally to 8 feet. 
.saturday night...north winds 10 to 20 knots. a slight chance of
snow showers. waves subsiding to 2 to 4 feet. 
.sunday...north winds 10 to 20 knots. a slight chance of snow
showers. waves subsiding to 1 to 3 feet. 
.sunday night...north winds 5 to 15 knots. waves subsiding to
calm to 2 feet. 
.monday...north winds 10 to 20 knots. a chance of snow showers in
the afternoon. waves calm to 2 feet. 
.monday night...north winds 10 to 20 knots increasing to 15 to
25 knots after midnight. a chance of snow showers. waves building
to 1 to 3 feet. 
.tuesday...north winds 15 to 25 knots backing northwest. a chance
of snow showers. waves building to 2 to 4 feet. 
.wednesday...southwest winds 15 to 25 knots increasing to 20 to
30 knots. waves building to 3 to 6 feet occasionally to 8 feet. 

$$

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